AMD Bettong: Add a new AMD FP4 socket mainboard

Add a new mainboard based on AMD's Family 15h Model 60h processor.
TEST: Bettong can boot Ubuntu 14.10, Windows 7 and Windows 8.

Change-Id: Id807369ff0f04ba303383c65ddd1bd512f184e6a
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Reviewed-on: http://review.coreboot.org/10420
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 89 insertions, 0 deletions

diff --git a/src/mainboard/amd/bettong/romstage.c b/src/mainboard/amd/bettong/romstage.c
new file mode 100644
index 0000000000..10813b3534
--- /dev/null
+++ b/src/mainboard/amd/bettong/romstage.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 Advanced Micro Devices, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+#include <console/console.h>
+#include <arch/acpi.h>
+#include <arch/stages.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/x86/bist.h>
+#include <cpu/amd/car.h>
+#include <cpu/amd/pi/s3_resume.h>
+#include <northbridge/amd/pi/agesawrapper.h>
+#include <northbridge/amd/pi/agesawrapper_call.h>
+#include <southbridge/amd/pi/hudson/hudson.h>
+
+void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
+{
+	u32 val;
+#if CONFIG_HAVE_ACPI_RESUME
+	void *resume_backup_memory;
+#endif
+
+	amd_initmmio();
+
+	hudson_lpc_port80();
+
+	if (!cpu_init_detectedx && boot_cpu()) {
+		post_code(0x30);
+
+		post_code(0x31);
+		console_init();
+	}
+
+	/* Halt if there was a built in self test failure */
+	post_code(0x34);
+	report_bist_failure(bist);
+
+	/* Load MPB */
+	val = cpuid_eax(1);
+	printk(BIOS_DEBUG, "BSP Family_Model: %08x \n", val);
+	printk(BIOS_DEBUG, "cpu_init_detectedx = %08lx \n", cpu_init_detectedx);
+
+	post_code(0x37);
+	AGESAWRAPPER(amdinitreset);
+	post_code(0x38);
+	printk(BIOS_DEBUG, "Got past agesawrapper_amdinitreset\n");
+
+	post_code(0x39);
+	AGESAWRAPPER(amdinitearly);
+	int s3resume = acpi_is_wakeup_s3();
+	if (!s3resume) {
+		post_code(0x40);
+		AGESAWRAPPER(amdinitpost);
+		post_code(0x41);
+		AGESAWRAPPER(amdinitenv);
+		/* TODO: Disable cache is not ok. */
+		disable_cache_as_ram();
+	} else { /* S3 detect */
+		printk(BIOS_INFO, "S3 detected\n");
+
+		post_code(0x60);
+		AGESAWRAPPER(amdinitresume);
+
+		AGESAWRAPPER(amds3laterestore);
+
+		post_code(0x61);
+		prepare_for_resume();
+	}
+
+	post_code(0x50);
+	copy_and_run();
+
+	post_code(0x54);  /* Should never see this post code. */
+}